<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<style>
    .box {
        display: flex;
        width: 200px;
        height: 200px;
        background-color: yellow;
        justify-content: center;
        align-items: center;

    }

    .item {
        width: 50px;
        height: 50px;
        background: rgb(239, 8, 8);
        border: 1px solid #000;
    }
    .three{
        /* align-self: flex-start; */
        flex-shrink: 2;
    }
</style>

<body>
    <div class="box">
        <div class="item"></div>
        <div class="item"></div>
        <div class="item three"></div>
        <div class="item"></div>
        <div class="item"></div>
        <div class="item"></div>
    </div>
</body>
<script></script>

</html>